.mce-content-body pre:not([class*=language-]) {
  padding: 1em;
  color: #353535;
  background: hsla(0,0%,78%,.3);
  border: 1px solid #c4c4c4;
  border-radius: 2px;
  text-align: left;
  direction: ltr;
  tab-size: 4;
  white-space: pre-wrap;
  font-style: normal;
  min-width: 200px;
}
